Home / 16,688,689.59-23,027,760.99-9,720,513.93

Finding the Fourth Proportional to 16,688,689.59, 23,027,760.99 and 9,720,513.93

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Solution

The fourth proportional to 16,688,689.59, 23,027,760.99 and 9,720,513.93 is: 13,412,776.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688,689.59 : 23,027,760.99 = 9,720,513.93 : x
  2. Step 2: Convert to fraction form
    16,688,689.59/23,027,760.99 = 9,720,513.93/x
  3. Step 3: Cross multiply
    16,688,689.59x = 23,027,760.99 × 9,720,513.93
  4. Step 4: Simplify right side
    16,688,689.59x = 223,841,671,480,005.56
  5. Step 5: Solve for x
    x = 223,841,671,480,005.56/16,688,689.59
  6. Step 6: Final answer
    x = 13,412,776.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.